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How does an underscore in front of a variable in a cocoa objective-c class work?
...ttributes have used an underscore _ in front of the variable. Does anyone know what this means? Or how it works?
9 Answers
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How to estimate how much memory a Pandas' DataFrame will need?
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If you know the dtypes of your array then you can directly compute the number of bytes that it will take to store your data + some for the Python objects themselves. A useful attribute of numpy arrays is nbytes. You can get the numbe...
Do Google refresh tokens expire?
...nd then we could archive their mail (we are required to do so by law), but now as soon as they change their password, the refresh token is revoked.
Perhaps for youtube, maps, the refresh token is still truly long lived, but for gmail api, count on a short token.
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differences in application/json and application/x-www-form-urlencoded
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@buffer I'm also curious to know the answer to your symmetric question.
– Adam Johns
Oct 14 '14 at 14:14
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Java equivalent of C#'s verbatim strings with @
... 326 have been withdrawn. The discussion was restarted in Jan 2019, and is now tracked in JEP 355 for a JDK13 release.
– NPras
Jul 23 '19 at 0:49
add a comment
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Good Linux (Ubuntu) SVN client [closed]
... long long time ago I was one of the developers for RabbitVCS (previously known as NautilusSvn).
If you use Nautilus then you might be interested in RabbitVCS (mentioned earlier by Trevor Bramble). It's an unadulterated clone of TortoiseSVN for Nautilus written in Python. While there's still a lot ...
How do I turn off “Automatically Switch to Debug Perspective” mode in eclipse?
...here a way to turn off this mode? I must have clicked it by accident, and now it's getting really annoying.
4 Answers
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Can't delete virtual device from Eclipse, android
...as well.. was not able to find/see the .android folder in $home. I do not know if it is hidden or what. If you double click a android device in AVD manager it will show you the path of the "running avd" which is exactly where everyone says it should be. Since I could not delete these files using the...
Remove duplicated rows using dplyr
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Note: dplyr now contains the distinct function for this purpose.
Original answer below:
library(dplyr)
set.seed(123)
df <- data.frame(
x = sample(0:1, 10, replace = T),
y = sample(0:1, 10, replace = T),
z = 1:10
)
One appr...
mailto link with HTML body
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Now that is a fancy idea
– Greg
Dec 4 '17 at 21:31
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